Merge "Use intra wallaper transition animation for move to front/back transition." into sc-dev am: 398b9a8173 am: 020c5f92f1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15302105

Change-Id: I1f706576467982b7dfeb30d8ed9678ea7991aba0